This paper contains descriptions and illustrations of five new species of the genus Aulacocentrum Brues, 1922, from Vietnam, viz. Aulacocentrumassitum Long & Pham, sp. nov. ; A.glabrum Long, sp. nov. ; A.imparum Long & van Achterberg, sp. nov. ; A.intermedium Long & van Achterberg, sp. nov. ; and A.simulatum Long, sp. nov. Additionally, Aulacocentrumseticella van Achterberg & He is newly recorded for Vietnam's braconid fauna. A checklist and a key to the Oriental and East Palaearctic Aulacocentrum species is provided and the in-country distribution of the Vietnamese species is given., Competing Interests: The authors have declared that no competing interests exist., (Thi Nhi Pham, Khuat Dang Long, Cornelis van Achterberg, Thi Quynh Nga Cao, Van Phu Pham, Thi Hoa Dang.)